Over the past few years, the Missing Maps approach has repeatedly proved its potential for humanitarian assistance and disaster management. While the project was launched by only four organizations, there are now 17 member organizations in Missing Maps, and nearly 60,000 mappers. The Red Cross and Red Crescent Movement have recognized the potential of the Missing Maps project and its approach, acknowledging the crucial contributions of geographic information in driving disaster responses and recovery as well as preparedness. Together with our colleagues from the British Red Cross and German Red Cross, we published a perspective article, which gives an overview on the Missing Maps approach and its potential within the Red Cross and Red Crescent Movement: